You're correct. I'm having 2 maven repositories and had a mix of incompatible logback and slf4j versions. The problem is solved. Thanks for your support :-) Ceki Gulcu wrote:
FYI, given Maven's transitive dependency rules, writing:
<dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>0.9.30</version> </dependency>
is equivalent to writing:
<dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.6.3</version> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-core</artifactId> <version>0.9.30</version> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>0.9.30</version> </dependency>
As for your actual question, you most probably have an earlier version of slf4j on your class path. Check your dependency tree with the command 'mvn dependency:tree'. Also note that Weld bundles SLF4J within itself.
-- Ceki http://twitter.com/#!/ceki
On 25/10/2011 12:34 PM, stlecho wrote:
I'm using the underneath listed dependencies and I'm receiving the same error message: "java.lang.reflect.InvocationTargetException: java.lang.IllegalAccessError: tried to access field org.slf4j.impl.StaticLoggerBinder.SINGLETON from class org.slf4j.LoggerFactory".
What could I do to correct this ?
<dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.6.3</version> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-core</artifactId> <version>0.9.30</version> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>0.9.30</version> </dependency>
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